{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000833},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000157","490:4900000727","490:4900002031","490:4900000615","496:4960008164","490:4900000519","490:4900001337","490:4900003083","490:4900000950","494:4940008753","490:4900000283","490:4900001065","490:4900001076","490:4900001336","490:4900000181","490:4900000619","490:4900000432","490:4900001882","490:4900000521","490:4900000953","490:4900000616","490:4900001338","496:4960006761","490:4900001600","490:4900001471"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490],"twin_sims":[0.5437746317006766,0.5360203771261012,0.47775830183030293,0.45822327774194976,0.4571174378582359,0.420634922778931,0.4080263559851411,0.4075744957117977,0.40438713744017857,0.4020373157417281,0.4009034105361554,0.39987626225243433,0.38573489573054076,0.3846319123496289,0.38087348269502774,0.3759469854632007,0.3709949299896339,0.36560414132393865,0.3652244265127439,0.36334359609327693,0.3530448258510682,0.3529332646228635,0.3501601863491758,0.3439000534795201,0.3276223085493198],"twin_dists":[0.14335936278673167,0.14503940613056368,0.1578549804732811,0.16225463609581567,0.16250562497637142,0.17092094273203542,0.17389835053536892,0.17400579266730407,0.17476518280491757,0.17532674522458713,0.17559825590923703,0.1758445043135823,0.179264898503016,0.1795341314013189,0.1804543282992843,0.18166717212246505,0.18289416518730486,0.1842391358081447,0.18433424571967227,0.18480608781353794,0.18741210228269625,0.18744054487451214,0.18814905400969742,0.18975940015688492,0.19402168975098194],"n_dims_used":45,"mean_confidence":0.9176145765516494},"coverage":{"mean_confidence":0.9176145765516494,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}